, she is the foundation of this harbaugh family. she is the rock of our family. the one that moved us 17 times in a 43 year coaching career. >> jack coached college football for 43 years. so this is the family business. it didn't thrill mom when john decided to pass on a law career for football. >> i am embellishing this story a trifle to which jackie went face down into the mashed potatoes and said what, coaching? you got to reconsider this. >> the sons have not talked about football with their parents this week. in fact, getting any info out of jim can be challenging even for dad. two years ago, jim was reluctant to tell his father that the 49ers were drafting colin kaepernick. >> which was is going to be. dead silence. he said we are drafting colin kaepernick. do i not only think that he is the best quarterback in the draft, i think that he is the best football player in the draft and we are going with colin kaepernick and i thought to myself jim, wise decision. >> the harbaughs lived through the son versus son experience on than